One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,7)(4,12)(5,6)(8,14)(9,11)(10,16)(13,15)(17,18,23,25)(19,20,28,24)(21,26,32,30)(22,29,31,27)(33,34)(35,44)(36,41)(37,47)(38,42)(39,43)(40,46)(45,48)(1,2)(3,9)(4,8)(5,6)(7,11)(10,16)(12,14)(13,15)(17,19,23,28)(18,24,25,20)(21,31,32,22)(26,29,30,27)(33,35)(34,40)(36,38)(37,45)(39,46)(41,48)(42,47)(43,44)(2,6)(7,9)(8,12)(15,16)(18,25)(20,24)(26,30)(27,29)(33,36,39,37)(34,41,43,47)(35,38,46,45)(40,48,44,42)(1,2)(3,9)(4,8)(5,6)(7,11)(10,16)(12,14)(13,15)(17,20)(18,19)(21,27)(22,30)(23,24)(25,28)(26,31)(29,32)(33,37,39,36)(34,41,43,47)(35,45,46,38)(40,48,44,42)(1,3,5,11)(2,7,6,9)(4,13,14,10)(8,16,12,15)(17,21,23,32)(18,26,25,30)(19,22,28,31)(20,29,24,27)(33,34)(35,40)(36,41)(37,47)(38,48)(39,43)(42,45)(44,46)(1,4,5,14)(2,8,6,12)(3,10,11,13)(7,15,9,16)(17,22)(18,27)(19,21)(20,30)(23,31)(24,26)(25,29)(28,32)(33,38,39,45)(34,42,43,48)(35,36,46,37)(40,47,44,41)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.